name: Continuous Integration
on: [push]
jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        php-versions: ['7.1', '7.2', '7.3', '7.4', '8.0']

    steps:
    - uses: actions/checkout@v2

    - name: Setup PHP
      uses: shivammathur/setup-php@v2
      with:
        php-version: ${{ matrix.php-versions }}

    - name: Analysing source code
      run: find ./src/ ./inc/ ./tests/ -type f -name '*.php' -print0 | xargs -0 -L 1 -P 4 -- php -l

    - name: Validate composer.json and composer.lock
      run: composer validate

    - name: Install dependencies
      uses: ramsey/composer-install@v1
      with:
        dependency-versions: highest
        composer-options: "--prefer-dist"

    - name: PhpUnit
      run: ./vendor/bin/phpunit

    - name: Psalm
      run: ./vendor/bin/psalm --show-info=false --threads=8 --diff

    - name: PHPCS
      run: ./vendor/bin/phpcs -s --report-source --runtime-set ignore_warnings_on_exit 1